(People's Daily Health Client Qiu Yue) At the joint prevention and control mechanism of the State Council held on August 10, Dong Xiaoping, chief expert of virology of the Chinese Center for Disease Control and Prevention, said that this summer, the epidemic peak of A (H3N2) subtype influenza virus in my country has occurred in the summer of , and experts have judged that the risk of high levels of influenza influenza in the fall and winter of is relatively high, and there is a possibility of the risk of influenza and new coronary pneumonia combined with the epidemic.
According to the "National Statistical Table of Reported Illness and Deaths in June 2022" released by the China Center for Disease Control and Prevention, a total of 747,038 confirmed cases of influenza were reported nationwide (excluding Hong Kong, Macao Special Administrative Region and Taiwan) in June this year, 747,038 confirmed cases of influenza and 4 deaths were reported nationwide. The confirmed cases in May and July 2021 were 24,604 and 41,516 respectively (in June 2021, the disease control and control did not release the national statutory infectious disease epidemic).
The new crown may be infected with influenza
According to China's Jiangsu Network on August 11, influenza monitoring data in Jiangsu Province showed that . Among the upper respiratory tract infection samples collected by sentinel hospitals, the positivity rate of influenza nucleic acid has increased for six consecutive weeks. The vast majority of influenza positive strains are H3N2 subtypes, and it is expected that the intensity of influenza activity will remain at a high level in the near future.
In addition to Jiangsu, In recent days, many provinces such as Guangdong, Fujian, Jiangxi, and Hunan have successively issued influenza warnings. The national influenza monitoring information released by the National Influenza Center shows that since June, some southern provinces have entered a high-influenza period, and the number of influenza cases has hit a new high in the same period in recent years.
Zhang Dan, director of the Department of Infectious Diseases at Shougang Hospital, Peking University, said that influenza may have a small climax in different seasons every year. , especially in autumn and winter, is most likely to break out. It is normal for the epidemic of influenza in summer. This is related to people's frequent use of air conditioners and other habits in summer. It has nothing to do with the recent local new crown epidemic. It is the epidemic characteristic of common influenza viruses such as influenza A and influenza B. But it is worth noting that patients with the new crown may also be infected with influenza A or influenza B. This situation was recorded in a large number of literature and data when the new crown epidemic first appeared in 2020. For prevention, vaccination with influenza A and B and new crown vaccine to prevent separately are still the best and most effective means. In addition, wear a mask when going out to avoid staying in crowded places for too long. If you must stay, try not to take off your mask.
Children are vaccinated with quadrivalent children's influenza vaccine, New Hainan Client Picture.
"Vaccines are actually always available in each storage unit. If a large-scale influenza outbreak occurs, the standing unit will increase its inventory. But so far, there is no data in Beijing that a large-scale influenza epidemic is about to occur. You can arrange the time for vaccination based on your previous experience. The general best vaccination time for is around September and October every year. If needs to be vaccinated in advance, you can also make an appointment at community hospital , and community hospitals have regular stockings." Zhang Dan said.
patients with flu symptoms will go to the fever clinic to check
According to Zhang Dan, at present, the most mainstream antiviral drug to fight influenza A and B at home and abroad is oseltamivir , which has been written into the influenza diagnosis and treatment guidelines. According to Pengpai News , recently, many cities such as Fuzhou, Xiamen , Changsha, Guilin, Wenzhou have experienced shortage of antiviral drug oseltamivir. Zhang Dan said that my country now has good auxiliary treatment drugs such as Lianhua Qingwen and Shufeng Jiedu Capsule .
Zhang Dan pointed out that for patients with influenza symptoms such as dizziness and fever, they must go to the fever clinic for examination as soon as possible, including a series of auxiliary examinations such as blood draw, nucleic acid, antigen and antibody testing. After the diagnosis is influenza, the doctor will give clear diagnostic medication. For those with other close contacts with , such as the family of a confirmed influenza patient, who have not yet developed symptoms, you can take a certain dose of oseltamivir for prevention according to the drug instructions. "The dosages for treatment and prevention are different. You must strictly follow the instructions. You can go to the fever clinic for accurate dosage."
